155495989 is an odd 9-digits composite number following 155495988
and preceding 155495990 . In scientific notation, it is written as 1.55495989 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 141359980 positive integers (up to 155495989) that are relatively prime to 155495989.
155495989 has 4 divisors, whose sum is 169632000
The reverse of 155495989 is 989594551
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred fifty-five million four hundred ninety-five thousand nine hundred eighty-nine
Scientific notation
1.55495989 × 10^8
Engineering notation
1.55495989 × 10^6
Prime Factorization
11 × 14135999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155495989
Product of the distinct prime numbers
The prime factorization of 155495989 is 11 × 14135999.
Since it has a total of 2 prime factors.
3 , 5 , 23 , 84 , 33 , 455 , 3400 , 9838 , 24731 , 70805 , 446546 , 359087 , 7101108 , 5834614 , 5026734 , 60801727 , 783014287 , 540317500 , 3766447994 , 8364619742
n×2
310991978
n×3
466487967
n×4
621983956
n×5
777479945
n÷2
77747994.5
n÷3
51831996.333333
n÷3
38873997.25
n÷5
31099197.8
n2
24179002595088121
n3
3.7597379215568E+24
n4
5.8462416649328E+32
n5
9.0906712962173E+40
2 √n
12469.803085855
3 √n
537.74089249131
4 √n
111.66827251218
5 √n
43.485436937997
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155495988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155495989 can be divided by 4 positive divisors.
The sum of these divisors (counting 155495989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010001001010111000110101
3
Ternary
101211121000101201
4
Quaternary
21101022320311
5
Quinary
304301332424
6
Senary
23232452501
8
Octal
1121127065
10
Decimal
155495989
12
Duodecimal
440aa131
16
Hexadecimal
944ae35
20
Vigesimal
28bgjj9
36
Base36
2kkth1
md5
3795494b8ae33387a2354844eb237cfa
sha1
99331c741fc6809fe28a763bb4dcfd0113dfc377
sha256
1d38fffd76907a8e7628d6595bfd46fbf11c61171ce1a6799f06dc339d9e903a
sha512
c3a36f6238fcaac5902ba97fe72f4af345d4315e850ebbc4c98bc545530466c49af313f59d4e56d773f64a06588f594f00cf86fe5779c162b0e57f2ec38a614b
ripemd-160
a47b454bb6704abfb713c52386689417b38ca8da
Diameter
310991978
Circumference
977010113.41016
Area
7.5960576923857E+16
Volume
1.5748753378381E+25
Surface area
3.0384230769543E+17
Circumference
977010113.41016
Perimeter
621983956
Area
24179002595088121
Diagonal
219904536.53842
Surface area
145074015570528726
Volume
3.7597379215568E+24
Space diagonal
269326953.32117
Perimeter
466487967
Area
1.0469815242758E+16
Altitude
134663476.66059
Surface area
1.0469815242758E+16
Volume
4.4308936330284E+23
Height
73301512.179473